/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package cn.edu.thu.laud.objectstore;

import java.util.Map;

import org.datanucleus.OMFContext;
import org.datanucleus.store.connection.AbstractConnectionFactory;
import org.datanucleus.store.connection.ManagedConnection;


/**
 * 
 * @author zhuoan
 *
 */
public class CassandraConnectionFactory extends AbstractConnectionFactory{

	CassandraConnectionPool connectionPool;
	CassandraConnectionInfo connectionInfo;
	
	public CassandraConnectionFactory(OMFContext omfContext, String resourceType) {
		super(omfContext, resourceType);
		CassandraStoreManager storeManager = (CassandraStoreManager) omfContext.getStoreManager();
		connectionPool = new CassandraConnectionPool();
		connectionInfo = storeManager.getConnectionInfo();
        connectionPool.setTimeBetweenEvictionRunsMillis(storeManager.getPoolTimeBetweenEvictionRunsMillis());

	}

	@Override
	public ManagedConnection createManagedConnection(Object poolKey, Map options) {
			CassandraStoreManager storeManager = (CassandraStoreManager) omfContext.getStoreManager();

	        CassandraManagedConnection managedConnection = connectionPool.getPooledConnection();
	        if (managedConnection == null) 
	        {
	            managedConnection = new CassandraManagedConnection(connectionInfo);
	            managedConnection.setIdleTimeoutMills(storeManager.getPoolMinEvictableIdleTimeMillis());
	            connectionPool.registerConnection(managedConnection);
	        }
	        managedConnection.incrementReferenceCount();
	        return managedConnection;
	}

}
